From 5f3e4d7c0446cb7ba44f25f26417f166a1ccb899 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Obrembski?= <michal@obrembski.dev>
Date: Tue, 24 Dec 2024 14:35:51 +0100
Subject: [PATCH] Fixed wrong sizeof in digital_read

---
 esphome/components/gpio_expander/cached_gpio.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/gpio_expander/cached_gpio.h b/esphome/components/gpio_expander/cached_gpio.h
index 409296489a..3d7185e320 100644
--- a/esphome/components/gpio_expander/cached_gpio.h
+++ b/esphome/components/gpio_expander/cached_gpio.h
@@ -19,7 +19,7 @@ namespace gpio_expander {
 template<typename T, T N> class CachedGpioExpander {
  public:
   bool digital_read(T pin) {
-    uint8_t bank = pin / (sizeof(uint8_t) * BITS_PER_BYTE);
+    uint8_t bank = pin / (sizeof(T) * BITS_PER_BYTE);
     if (this->read_cache_invalidated_[bank]) {
       this->read_cache_invalidated_[bank] = false;
       if (!this->digital_read_hw(pin))